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Mr. Heater | Big Buddy Operating Instructions and Owner’s Manual
WARNING:
Every time hose or tank is connected to unit, connection
must be checked for leaks in one or more ways: Apply
soapy water to connection, look for bubbles, listen for
hiss of escaping gas, feel for extreme cold, smell for rot-
ten egg odor. Do not use if leaking!
WARNING:
Any changes to this heater or its controls can be danger-
ous.
WARNING:
Early signs of carbon monoxide poisoning resemble the
flu, with headache, dizziness and/or nausea. If you have
these signs, heater may not be working properly. Get
fresh air at once! Have heater serviced.
SPECIFICATIONS
MODEL NO. .....................................................MH18B
GAS TYPE ......................................................PROPANE
INPUT BTU/HR. ......................... 4,000 / 9,000 /18,000
CLEARANCE TO COMBUSTIBLES
TOP ....................................................................... 30”
FRONT ....................................................................24”
SIDES ...................................................................... 6”
REAR ....................................................................... 0”
WARNING:
If the recreational or commercial enclosure does not
have a window or roof vent, DO NOT USE THIS HEATER
INSIDE.
THE STATE OF CALIFORNIA REQUIRES THE
FOLLOWING WARNING:
WARNING:
Combustion by-products produced when using this product
contain carbon monoxide, a chemical known to the State
of California to cause cancer and birth defects (or other
reproductive harm).
CONTENTS
General Safety Instructions ............................................ E-2
General Information ....................................................... E-3
Operating with Disposable Propane Cylinders ................ E-3
Operating With Hose Connected to Remote Cylinder ..... E-4
Maintenance.................................................................. E-5
Troubleshooting ............................................................. E-6
Parts List ........................................................................ E-6
Parts Ordering Information ............................................ E-8
Service Information ........................................................ E-8
• Due to high temperatures, the appliance should be
located out of traffic and away from combustible materi-
als.
• Children and adults should be alerted to the hazard of
high surface temperatures and should stay away to avoid
burns or clothing ignition.
• Young children should be carefully supervised when they
are near the appliance.
• Do not place clothing or other flammable material on or
near the appliance.
• Do not operate heater in any moving vehicle.
• This heater can only be used in a recreational or com-
mercial enclosure with a window or roof vent. It may
also be used outdoors.
• This heater requires a vent area of 18 square inches
(example 4
1
/
4
” x 4
1
/
4
” opening) minimum for adequate
ventilation during operation. Do not use other fuel burn-
ing appliances inside.
• GAS PRESSURE AT HEATER IS REGULATED AND FIXED
AT 11” W.C. WHEN USING A REMOTE HOSE CONNEC-
TION TO HEATER REGULATOR(S), DO NOT REGULATE
OR REDUCE PROPANE TANK SUPPLY PRESSURE TO
HEATER.
• WARNING: ANY HOSE CONNECTION TO A QUICK DIS-
CONNECT FITTING ON HEATER MUST BE REGULATED
TO 11” W.C. PRESSURE
• REGULATOR(S) IN HEATER MUST ALWAYS BE IN PLACE
DURING OPERATION.
• Any safety screen or guard removed for servicing the ap-
pliance must be replaced prior to operating the heater.
GENERAL SAFETY INSTRUCTIONS
THIS IS A HEATING APPLIANCE. DO NOT OPERATE
THIS APPLIANCE WITHOUT THE FRONT WIRE GUARD
INSTALLED
CAUTION: Some carpets or linoleum may discolor if
heater is placed directly on these floor coverings.